09-01-2018, 12:04 PM
(This post was last modified: 09-01-2018, 12:05 PM by Rogerfrench.
Edit Reason: Spelling.
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(08-01-2018, 11:14 PM)Ritchie Wilson Wrote: David's and Bob's concerns about the nuts not being BSF appear to be plausible.Yes, 1/4 Whit and 5/16 BSF were the same head size. It was the same throughout the size range. Is that what you meant?
As an aside (sorry) I wondered if BSF head sizes were ever different from the head sizes of the corresponding BSW fasteners.
I have seen many spanners marked BSF when I would have thought that BSW or BS would have been the correct designation.